Examine the diagram, where AB←→

and CD←→
are secants to the circle, and they intersect inside of the circle at point P,
which is not the center.

A circle, with no center shown, as described in the text. Line A B is secant to the circle at A and B, line C D is secant to the circle at C and D, and they intersect at point P. Segment A P equals 21, segment B P equals 2x, segment C P equals x plus 5, and segment D P equals 27.What is the value of x?
Responses

9
9

6
6

11
11

5

9